Fix mingw build (only)#4

Merged

jimklimov merged 10 commits intonetworkupstools:rtu_usbfrom

jimklimov:fix-mingw-build-only

Jan 26, 2025

Commits on Jan 26, 2025

configure.ac: allow to --enable-Werror in test builds
jimklimov
committed
src/modbus-tcp.c: fix setsockopt() argument type for WIN32 cross-builds (mingw)
jimklimov
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configure.ac, src/modbus-tcp.c: import fallback inet_pton() and inet_ntop() from NUT for cross-builds on WIN32 (mingw)
jimklimov
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configure.ac: fix detection of netinet/ip.h on platforms where it requires netinet/in.h explicitly included first
jimklimov
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README.md: clarify possible need for GNU make
jimklimov
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GitIgnore src/stamp-h3
jimklimov
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src/modbus.c: _modbus_receive_msg(): printf("\n") to flush after angle-bracket debug printout
jimklimov
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src/modbus.c: _modbus_receive_msg(): if "ctx->backend->select" failed, report it as such (not as generic "select()")
jimklimov
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src/modbus.c: response_exception(): fflush() before and after vfprintf() to sync the output
jimklimov
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src/modbus-tcp.c: modbus_tcp_listen(): clarify failed TCP listener situations
jimklimov
committed